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8.3L Whipple on a C5R, 427

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Old 06-11-2009 | 07:55 PM
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Default 8.3L Whipple on a C5R, 427

This is something new I'm putting together and I thought I'd share. I'll post some pics as soon as I figure out how to shrink and post them... It keeps kicking them out. (Too large)

I've been waiting the 8.3L drive and manifold for a long, long time but Whipple finally shipped it. It's nowhere near finished/complete but, I have a good start. I'll be using two 2000 CFM dominator T/B's up top to feed it, and drive it with a 16rib belt. I've had pretty good luck with the 3.3L blowers so I have high hopes for this thing. I'll post some progress pics as it comes along. This is the first of its kind so be patient... Lots of mock-up to do and parts to make.

Stay tuned.
Old 06-11-2009 | 11:18 PM
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What's the point, unless you want the Pro Street, high blower look? No possible need for a blower that big on a 427. I could see the 5.0 at a stretch, but the 8.3? Maybe if you had a 572 big block or something.

Jim

Last edited by DeltaT; 06-11-2009 at 11:38 PM.
Old 06-12-2009 | 01:42 AM
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Originally Posted by DeltaT
What's the point, unless you want the Pro Street, high blower look? No possible need for a blower that big on a 427. I could see the 5.0 at a stretch, but the 8.3? Maybe if you had a 572 big block or something.

Jim
It's not going in a car... It's going in a Sand Rail. And I've already ran the smaller Whipple blowers and they max out @ around 1000 HP on a 427... This one will go 1500+ no problem and I won't have to turn it near a hard... That's pretty much the point. As for "no possible need for a blower that big on a 427." What do you say about all the folks running 106mm Turbos and F3 Prochargers on even smaller engines? "No possible need."
Old 06-12-2009 | 06:40 AM
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It'll be an intresting buildthats for sure! as Delta said, would the next logical step be to try the 5.0 ltr unit first??.......

Keep us posted anyway!

Chris.
Old 06-12-2009 | 07:21 AM
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Sounds pretty crazy, but most sand rails typically are. Go big or go home!
Old 06-12-2009 | 07:54 AM
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Should be badass on a rail. That will make a sand storm behind you.

As for the size of the blower, the 8.3 seems to perform the same as the 5.0. It just spins at a lower RPM. Based on the advertised numbers from Whipple, I think it'll work.
Old 06-12-2009 | 09:05 AM
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I would be VERY interested in seeing dyno numbers and a build thread! Please keep up updated! This sounds like a very cool project! I have been wanting to see what the larger displacement whipples will do on the LSX blocks.
Old 06-12-2009 | 09:30 AM
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Old 06-12-2009 | 09:38 AM
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What he said ^^^
Old 06-12-2009 | 11:10 AM
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Keep us posted....should be a killer build.
Old 06-12-2009 | 12:30 PM
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Here's a pic.


8.3L Whipple on a C5R, 427-8.3l-blower.jpg
Old 06-12-2009 | 12:37 PM
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That is sick.
Old 06-12-2009 | 12:49 PM
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I am in heaven!!!
Old 06-12-2009 | 01:11 PM
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if displacement of supercharger > then displacement of engine = way too much fun to be had.
Old 06-12-2009 | 07:16 PM
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This sounds like it should be rather insane. I look forward to seeing this come together.
Old 06-12-2009 | 07:30 PM
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Is that equivalent to say an 8-71? Looks like it. That will be insane in a sand rail.
Old 06-12-2009 | 07:40 PM
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Holy ****
Old 06-12-2009 | 07:51 PM
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holy ******* wow. im def staying tuned. i wanna see if this blower will work, my bets on yes
Old 06-12-2009 | 08:31 PM
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i hope this blower is not going on a 4 bolt cylinder head block.
Old 06-12-2009 | 09:52 PM
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Originally Posted by elias_799
i hope this blower is not going on a 4 bolt cylinder head block.
Yep... C5R block converted to 1/2" head studs. If it starts spitting head gaskets, I'll switch everything over to a 6 bolt ERL block. But I've had pretty good luck with 4 bolt blocks with 1/2" head studs so far...


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